return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2ClCHCHCH3 (2-Butene, 1-chloro-)

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-616.544400
Energy at 298.15K-616.551495
HF Energy-616.305505
Nuclear repulsion energy205.212679
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3185 3185 7.70      
2 A' 3140 3140 17.04      
3 A' 3127 3127 17.34      
4 A' 3087 3087 19.94      
5 A' 3043 3043 28.37      
6 A' 1747 1747 0.75      
7 A' 1509 1509 12.60      
8 A' 1488 1488 2.67      
9 A' 1430 1430 3.42      
10 A' 1351 1351 26.97      
11 A' 1336 1336 12.00      
12 A' 1311 1311 1.39      
13 A' 1132 1132 0.17      
14 A' 1057 1057 10.61      
15 A' 922 922 9.75      
16 A' 719 719 21.88      
17 A' 588 588 5.28      
18 A' 337 337 1.15      
19 A' 173 173 0.65      
20 A" 3134 3134 7.20      
21 A" 3099 3099 21.55      
22 A" 1495 1495 7.58      
23 A" 1214 1214 4.45      
24 A" 1077 1077 0.65      
25 A" 996 996 41.24      
26 A" 961 961 0.00      
27 A" 730 730 0.43      
28 A" 240 240 4.80      
29 A" 204 204 1.62      
30 A" 111 111 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 21971.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21971.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-311G**
ABC
0.35012 0.06000 0.05221

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.316 0.298 0.000
C2 0.000 1.016 0.000
C3 1.220 0.481 0.000
C4 2.491 1.277 0.000
Cl5 -1.193 -1.500 0.000
H6 -1.898 0.561 0.883
H7 -1.898 0.561 -0.883
H8 -0.110 2.100 0.000
H9 1.319 -0.600 0.000
H10 2.294 2.351 0.000
H11 3.098 1.040 0.879
H12 3.098 1.040 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.49872.54203.93061.80241.09051.09052.16812.78314.15214.56124.5612
C21.49871.33202.50482.78452.14272.14271.08932.08582.65373.22063.2206
C32.54201.33201.49993.12183.24193.24192.09471.08552.15602.14782.1478
C43.93062.50481.49994.61334.53454.53452.72792.21281.09171.09411.0941
Cl51.80242.78453.12184.61332.35092.35093.75942.66795.19455.06325.0632
H61.09052.14273.24194.53452.35091.76662.51953.53254.64295.01965.3199
H71.09052.14273.24194.53452.35091.76662.51953.53254.64295.31995.0196
H82.16811.08932.09472.72793.75942.51952.51953.05432.41643.49103.4910
H92.78312.08581.08552.21282.66793.53253.53253.05433.10742.57442.5744
H104.15212.65372.15601.09175.19454.64294.64292.41643.10741.77141.7714
H114.56123.22062.14781.09415.06325.01965.31993.49102.57441.77141.7576
H124.56123.22062.14781.09415.06325.31995.01963.49102.57441.77141.7576

picture of 2-Butene, 1-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.695 C1 C2 H8 112.849
C2 C1 Cl5 114.717 C2 C1 H6 110.710
C2 C1 H7 110.710 C2 C3 C4 124.279
C2 C3 H9 118.909 C3 C2 H8 119.456
C3 C4 H10 111.623 C3 C4 H11 110.819
C3 C4 H12 110.819 C4 C3 H9 116.813
Cl5 C1 H6 106.086 Cl5 C1 H7 106.086
H6 C1 H7 108.191 H10 C4 H11 108.267
H10 C4 H12 108.267 H11 C4 H12 106.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.232      
2 C -0.147      
3 C -0.123      
4 C -0.271      
5 Cl -0.125      
6 H 0.166      
7 H 0.166      
8 H 0.102      
9 H 0.125      
10 H 0.104      
11 H 0.118      
12 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.380 2.020 0.000 2.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.479 -2.786 0.000
y -2.786 -39.330 0.000
z 0.000 0.000 -40.058
Traceless
 xyz
x 3.215 -2.786 0.000
y -2.786 -1.062 0.000
z 0.000 0.000 -2.153
Polar
3z2-r2-4.307
x2-y22.851
xy-2.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.186 0.461 0.000
y 0.461 9.000 0.000
z 0.000 0.000 5.266


<r2> (average value of r2) Å2
<r2> 210.620
(<r2>)1/2 14.513

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-616.547082
Energy at 298.15K-616.554145
HF Energy-616.308226
Nuclear repulsion energy200.990869
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3178 3178 17.88      
2 A 3163 3163 4.09      
3 A 3149 3149 25.19      
4 A 3130 3130 5.78      
5 A 3109 3109 18.33      
6 A 3100 3100 19.26      
7 A 3044 3044 24.35      
8 A 1732 1732 12.60      
9 A 1507 1507 14.67      
10 A 1494 1494 7.92      
11 A 1493 1493 3.76      
12 A 1428 1428 2.51      
13 A 1356 1356 10.23      
14 A 1339 1339 2.16      
15 A 1305 1305 38.38      
16 A 1219 1219 3.24      
17 A 1136 1136 0.92      
18 A 1105 1105 2.66      
19 A 1075 1075 0.96      
20 A 1002 1002 38.49      
21 A 963 963 10.33      
22 A 896 896 2.89      
23 A 804 804 13.39      
24 A 687 687 64.37      
25 A 497 497 1.60      
26 A 354 354 3.87      
27 A 279 279 2.04      
28 A 209 209 1.04      
29 A 159 159 2.32      
30 A 89 89 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 21999.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21999.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-311G**
ABC
0.48179 0.04909 0.04729

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.774 0.839 0.087
C2 0.521 0.207 0.456
C3 1.593 0.218 -0.340
C4 2.921 -0.387 0.001
Cl5 -2.095 -0.408 -0.092
H6 -1.135 1.520 0.856
H7 -0.714 1.359 -0.867
H8 0.564 -0.279 1.427
H9 1.514 0.700 -1.313
H10 2.905 -0.851 0.988
H11 3.198 -1.150 -0.733
H12 3.711 0.369 -0.013

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.48782.48493.89451.82521.08851.08772.19942.68674.14864.51764.5114
C21.48781.33542.51402.74252.15062.14471.08672.08762.66263.22823.2286
C32.48491.33541.49833.74923.25092.62722.10411.08872.15162.14502.1483
C43.89452.51401.49835.01654.56284.12472.75662.21051.09131.09411.0942
Cl51.82522.74253.74925.01652.35332.37303.06483.96795.13485.38255.8584
H61.08852.15063.25094.56282.35331.78032.53963.52074.68665.33175.0561
H71.08772.14472.62724.12472.37301.78033.09442.36624.62874.64924.6141
H82.19941.08672.10412.75663.06482.53963.09443.06062.44963.51563.5208
H92.68672.08761.08872.21053.96793.52072.36623.06063.10442.56752.5743
H104.14862.66262.15161.09135.13484.68664.62872.44963.10441.77181.7720
H114.51763.22822.14501.09415.38255.33174.64923.51562.56751.77181.7581
H124.51143.22862.14831.09425.85845.05614.61413.52082.57431.77201.7581

picture of 2-Butene, 1-chloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.234 C1 C2 H8 116.500
C2 C1 Cl5 111.341 C2 C1 H6 112.264
C2 C1 H7 111.826 C2 C3 C4 124.942
C2 C3 H9 118.550 C3 C2 H8 120.266
C3 C4 H10 111.406 C3 C4 H11 110.705
C3 C4 H12 110.962 C4 C3 H9 116.508
Cl5 C1 H6 104.908 Cl5 C1 H7 106.336
H6 C1 H7 109.783 H10 C4 H11 108.340
H10 C4 H12 108.353 H11 C4 H12 106.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274      
2 C -0.098      
3 C -0.126      
4 C -0.271      
5 Cl -0.120      
6 H 0.169      
7 H 0.160      
8 H 0.110      
9 H 0.099      
10 H 0.110      
11 H 0.122      
12 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.295 1.257 0.111 2.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.706 -2.063 -0.988
y -2.063 -38.605 -0.766
z -0.988 -0.766 -37.762
Traceless
 xyz
x -2.522 -2.063 -0.988
y -2.063 0.629 -0.766
z -0.988 -0.766 1.893
Polar
3z2-r23.787
x2-y2-2.101
xy-2.063
xz-0.988
yz-0.766


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.008 0.392 -0.756
y 0.392 6.610 -0.245
z -0.756 -0.245 6.703


<r2> (average value of r2) Å2
<r2> 231.767
(<r2>)1/2 15.224